Armed officers are currently in the Glyncoch area following a serious assault at a property in Cefn Lane last night.
The officers have been deployed as a precautionary measure as enquiries into the incident continue.
Two men were injured during the incident, which occurred shortly before 6pm. One was taken to the University Hospital of Wales with serious injuries, which are not thought to be life-threatening. He remains at the hospital where he is currently being treated.
Police are asking anyone with information about the incident to get in touch.